PECO installed a green roof atop the company’s headquarters at 23rd and Market Streets in Philadelphia. Totaling more than 45,000 square feet, it is the largest green roof ever installed on an existing building in an urban area in Pennsylvania.
The vegetative roof consists of a variety of plants ranging from four to eight inches in thickness, 3,000 square feet of pavers, and 470 lineal feet of railing. The roof helps reduce stormwater runoff by absorbing 60 to 70 percent of the approximate 1.5 million gallons of annual rainwater that falls on the Main Office Building. The roof also will save on heating and cooling costs by reducing the summertime peak roof temperature by 60 to 80 degrees.
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